2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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33 * $FreeBSD: src/lib/libc/gen/termios.c,v 1.9.2.1 2000/03/18 23:13:25 jasone Exp $
36 #if defined(LIBC_SCCS) && !defined(lint)
37 static char sccsid[] = "@(#)termios.c 8.2 (Berkeley) 2/21/94";
38 #endif /* LIBC_SCCS and not lint */
40 #include <sys/types.h>
41 #include <sys/fcntl.h>
42 #include <sys/ioctl.h>
55 return (ioctl(fd, TIOCGETA, t));
61 const struct termios *t;
63 struct termios localterm;
67 localterm.c_cflag |= CIGNORE;
70 switch (opt & ~TCSASOFT) {
72 return (ioctl(fd, TIOCSETA, t));
74 return (ioctl(fd, TIOCSETAW, t));
76 return (ioctl(fd, TIOCSETAF, t));
85 tcsetpgrp(int fd, pid_t pgrp)
95 return (ioctl(fd, TIOCSPGRP, &s));
104 if (ioctl(fd, TIOCGPGRP, &s) < 0)
112 const struct termios *t;
115 return (t->c_ospeed);
120 const struct termios *t;
123 return (t->c_ispeed);
127 cfsetospeed(t, speed)
137 cfsetispeed(t, speed)
152 t->c_ispeed = t->c_ospeed = speed;
157 * Make a pre-existing termios structure into "raw" mode: character-at-a-time
158 * mode with no characters interpreted, 8-bit data path.
165 t->c_iflag &= ~(IMAXBEL|IXOFF|INPCK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON|IGNPAR);
166 t->c_iflag |= IGNBRK;
167 t->c_oflag &= ~OPOST;
168 t->c_lflag &= ~(ECHO|ECHOE|ECHOK|ECHONL|ICANON|ISIG|IEXTEN|NOFLSH|TOSTOP|PENDIN);
169 t->c_cflag &= ~(CSIZE|PARENB);
170 t->c_cflag |= CS8|CREAD;
179 struct timeval sleepytime;
181 sleepytime.tv_sec = 0;
182 sleepytime.tv_usec = 400000;
183 if (ioctl(fd, TIOCSBRK, 0) == -1)
185 (void)select(0, 0, 0, 0, &sleepytime);
186 if (ioctl(fd, TIOCCBRK, 0) == -1)
195 return (ioctl(fd, TIOCDRAIN, 0));
199 __weak_reference(__tcdrain, tcdrain);
216 com = FREAD | FWRITE;
222 return (ioctl(fd, TIOCFLUSH, &com));
234 return (ioctl(fd, TIOCSTOP, 0));
236 return (ioctl(fd, TIOCSTART, 0));
239 if (tcgetattr(fd, &term) == -1)
241 c = term.c_cc[action == TCIOFF ? VSTOP : VSTART];
242 if (c != _POSIX_VDISABLE && _write(fd, &c, sizeof(c)) == -1)